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marlinespike    
n. 穿索针;解索针



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  • Fluorides Impact on Health| Yale School of Public Health
    Both too little and too much fluoride can create health problems While the benefits of fluoride are clear, prolonged exposure to high levels of fluoride can be harmful to teeth and bones (known as fluorosis), which includes causing discoloration, spots, or damage to teeth and bone fractures
  • Fluoride toxicity - Wikipedia
    Fluoride toxicity is a condition in which there are elevated levels of the fluoride ion in the body Although fluoride is safe for dental health at low concentrations, [1] sustained consumption of large amounts of soluble fluoride salts is dangerous
  • Toxicity of fluoride: critical evaluation of evidence for human . . .
    To gain a deeper understanding of these assertions, we reviewed the levels of human exposure, as well as results from animal experiments, particularly focusing on developmental toxicity, and the molecular mechanisms by which fluoride can cause adverse effects
  • Is Fluoride Toxic? Risks, Effects, and Safe Levels
    Fluoride is toxic at high doses, but the amounts used in community water fluoridation and dental products fall well below acutely dangerous levels Like many substances, the answer depends entirely on how much you’re exposed to and for how long
  • Fluoride Exposure and Human Health Risks - IAOMT
    Exposure to excess fluoride can result in dental fluorosis, a condition in which the teeth enamel becomes irreversibly damaged Additionally, the teeth become permanently discolored, displaying a white or brown mottling pattern and forming brittle teeth that break and stain easily
  • Fluoride in Drinking Water | US EPA
    EPA previously set the maximum contaminant level (MCL) for fluoride at 4 0 milligrams per liter, a standard designed to prevent known or anticipated adverse health effects that was set in 1986 and most recently reviewed in 2024
  • The Hidden Harms of Fluoride: A Critical Examination
    Fluoride, widely promoted for its dental health benefits, has been a staple in public water systems and oral care products for decades However, mounting evidence challenges its safety, highlighting its potential as a neurotoxin and health hazard
  • Fluorides, Hydrogen Fluoride, and Fluorine | Public Health Statement . . .
    Hydrogen fluoride is not as dangerous as fluorine, but large amounts of it can also cause death People breathing hydrogen fluoride have complained of eye, nose, and skin irritation
  • 6 Dangers of Fluoride Treatments (And What to Do Instead)
    Although conventional dentists use fluoride varnish on children at risk of tooth decay, the high fluoride content may lead to fluorosis, hormone disruption, and lower IQ via swallowing or absorption into the bloodstream You can tell your dentist to skip this treatment for yourself or your children
  • Why Does Fluoride Burn and Is It Dangerous? - Biology Insights
    Learn why high-concentration fluoride causes a temporary burning sensation Get the facts on the role of acidity and concentration, and if it poses any danger





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